Condensed Consolidated Balance Sheets (Current Period Unaudited) - USD ($) $ in Thousands	Mar. 31, 2024	Dec. 31, 2023
Assets, Current [Abstract]
Cash and cash equivalents	$ 467	$ 817
Accounts receivable, net of allowance for credit loss of $4,261 and $3,978, respectively	749	844
Prepayment and deposit to suppliers	5,210	4,505
Other current assets, net	2,869	2,794
Total current assets	9,295	8,960
Long-term investments	794	794
Operating lease right-of-use assets	0	22
Property and equipment, net	187	215
Intangible assets, net	646	841
Goodwill	78	0
Deferred tax assets, net	404	401
Total Assets	11,404	11,233
Liabilities, Current [Abstract]
Accounts payable *	266	201
Advance from customers *	1,427	843
Accrued payroll and other accruals *	403	350
Taxes payable *	3,189	3,194
Operating lease liabilities *	0	24
Lease payment liability related to short-term leases *	99	99
Other current liabilities *	477	144
Warrant liabilities	0	0
Total current liabilities	5,861	4,855
Long-term liabilities:
Deferred tax liabilities	4	0
Total Liabilities	5,988	4,979
Commitments and Contingencies
Equity:
Common stock (US$0.001 par value; authorized 20,000,000 shares; issued and outstanding 7,204,506 shares at March 31, 2024 and December 31, 2023)	7	7
Additional paid-in capital	62,067	62,067
Statutory reserves	2,598	2,598
Accumulated deficit	(60,540)	(59,690)
Accumulated other comprehensive income	1,279	1,272
Total shareholders’ equity	5,411	6,254
Noncontrolling interests	5	0
Total equity	5,416	6,254
Total Liabilities and Equity	11,404	11,233
Related Party [Member]
Long-term liabilities:
Long-term borrowing from a related party	$ 123	$ 124